Electromagnetic Waves: JEE Main 2021 Physics question

JEE Main 2021 · 25 Feb, Evening shift · Q62

JEE Main 202125 Feb, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

The wavelength of an X-ray beam is 10

\mathop A\limits^o

. The mass of a fictitious particle having the same energy as that of the X-ray photons is

{x \over 3}h

kg. The value of x is __________. (h = Planck's constant)

Your answerType your answer. Integers and decimals are accepted.

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JEE Main 2021 Electromagnetic Waves Question with Answer (25 Feb Evening shift, Q62) | JEE Arc

JEE Main 2021 · 25 Feb, Evening shift · Q62

JEE Main 202125 Feb, Evening shiftPhysicsMediumElectromagnetic Waves120× since 2002

The wavelength of an X-ray beam is 10

\mathop A\limits^o

. The mass of a fictitious particle having the same energy as that of the X-ray photons is

{x \over 3}h

kg. The value of x is __________. (h = Planck's constant)

Your answerType your answer. Integers and decimals are accepted.